Sliding seat fixing structure, sliding rail assembly and vehicle

Abstract

The utility model discloses a sliding seat fixing structure which comprises a sliding seat body, a locking pin and an elastic element, a containing cavity is defined by the sliding seat body, and a through hole penetrating through the bottom is formed in the bottom of the containing cavity; the locking pin comprises a pin shaft and a locking part, the pin shaft movably penetrates through the through hole in the axial direction, at least part of the first end of the pin shaft is located in the containing cavity, and the second end of the pin shaft extends out of the through hole and is connected with the locking part; one end of the elastic element is connected to the sliding seat body, the other end of the elastic element is connected to the locking pin, and the elastic element is suitable for resetting the locking pin to a locking position in the axial direction of the pin shaft. The utility model further discloses a sliding rail assembly and a vehicle with the sliding rail assembly. According to the sliding seat fixing structure, the locking pin is kept at the locking position through the elastic potential energy of the elastic element, unlocking can be achieved by pressing or pulling up the locking pin, locking can be recovered by stopping pressing or pulling up the locking pin, and the convenience of locking operation of the sliding seat can be effectively improved.

Description

Technical Field

[0001] The present application relates to the technical field of automotive parts, and particularly relates to a sliding seat fixing structure, a slide rail assembly and a vehicle. Background Art

[0002] With the improvement of people's loading requirements, the space design of the automobile trunk is getting larger and larger. However, most of the existing trunks are not provided with a luggage fixing mechanism. When the vehicle accelerates, decelerates, turns or brakes suddenly during driving, the luggage in the trunk is likely to shake, fall or even flip back and forth and hit the vehicle body, which is likely to cause damage to the luggage or the vehicle body.

[0003] In order to prevent the luggage from rolling and flipping in the trunk, the prior art discloses a luggage fixing mechanism, including two parallel slide rails. Fixed supports are connected to both ends of the slide rails. A partition baffle is arranged between the two slide rails. Both ends of the partition baffle are connected to the fixed supports to be slidably connected to the corresponding side slide rails respectively. A stopper is arranged on one side of the fixed support to limit the sliding of the partition baffle along the slide rail. By dividing the automobile trunk into two completely independent spaces, it is possible to prevent the luggage with a smaller size or thinner thickness from sliding in the automobile trunk. However, the stopper for limiting the sliding of the partition baffle along the slide rail is realized by configuring a locking bolt and tightening the locking bolt, which has problems such as inconvenient operation and stuck cooperation. Summary of the Utility Model

[0004] In view of the above problems, the embodiments of the present application provide a sliding seat fixing structure, a slide rail assembly and a vehicle, which can improve the convenience and smoothness of the locking operation of the sliding seat.

[0005] According to one aspect of the embodiments of the present application, a sliding seat fixing structure is provided, including: a slide seat body, the slide seat body defining a receiving cavity, and a through hole is provided at the bottom of the receiving cavity and penetrates through the bottom of the slide seat body; a locking pin, the locking pin including a pin shaft and a locking portion, the pin shaft being axially movably inserted through the through hole, a first end of the pin shaft being at least partially located in the receiving cavity, and a second end of the pin shaft extending out of the through hole and connecting to the locking portion; wherein, the locking pin has an unlocking position and a locking position axially distributed along the pin shaft relative to the slide seat body, the locking pin being movable axially along the pin shaft between the unlocking position and the locking position; and an elastic element, one end of the elastic element being connected to the slide seat body and the other end being connected to the locking pin, adapted to axially reset the locking pin along the pin shaft to the locking position.

[0006] In an exemplary embodiment of the present application, the locking pin further includes a limiting portion, the limiting portion being connected to one end of the pin shaft located in the receiving cavity; a first limiting groove axially distributed along the pin shaft is provided on the side wall of the receiving cavity, the limiting portion being embedded in the first limiting groove and being slidable along the first limiting groove; the unlocking position and the locking position are respectively located on both axial sides of the first limiting groove, and the elastic element acts on the locking pin to hold the limiting portion at the locking position.

[0007] In an exemplary embodiment of the present application, the pin shaft is rotatably disposed in the through hole in the circumferential direction; a second limiting groove distributed along the circumferential direction of the pin shaft is further provided on the side wall of the accommodating cavity, the second limiting groove is located on one side of the unlocking position and communicates with the first limiting groove; the pin shaft can drive the limiting portion to move to the second limiting groove at the unlocking position to limit the axial movement of the locking pin along the pin shaft.

[0008] In an exemplary embodiment of the present application, a third limiting groove distributed along the circumferential direction of the pin shaft is further provided on the side wall of the accommodating cavity, the third limiting groove is located on one side of the locking position and communicates with the first limiting groove; the pin shaft can drive the limiting portion to move to the third limiting groove at the locking position to limit the axial movement of the locking pin along the pin shaft.

[0009] In an exemplary embodiment of the present application, a connecting portion for externally connecting to the slide rail is provided at the bottom of the slide seat body, a relief groove for slidingly cooperating with the slide rail is formed in the connecting portion, and an opening communicating with the relief groove is provided corresponding to the through hole, and the locking portion can move to the relief groove through the opening; wherein, when the locking pin is in the unlocking position, the locking portion is axially misaligned with the relief groove along the pin shaft to avoid the relief groove; when the locking pin is in the locking position, the locking portion blocks the relief groove.

[0010] In an exemplary embodiment of the present application, the opening axially penetrates the connecting portion, and when the locking pin is in the unlocking position, the locking portion extends out of the connecting portion or is received in the connecting portion through the opening to be axially misaligned with the relief groove along the pin shaft.

[0011] In an exemplary embodiment of the present application, the connecting portion includes a first guiding portion and a second guiding portion, one end of the first guiding portion is vertically connected to the bottom of the slide seat body, and the other end is vertically connected to the second guiding portion, the relief groove is formed between the second guiding portion and the slide seat body and is separated on both sides of the first guiding portion; the opening penetrates the first guiding portion and the second guiding portion, and when the locking pin is in the unlocking position, the locking portion extends out of the second guiding portion or is received in the second guiding portion through the opening to be axially misaligned with the relief groove along the pin shaft.

[0012] The second aspect of the present application discloses a slide rail assembly, including a slide rail body and the above-mentioned sliding seat fixing structure, the sliding seat fixing structure is slidably connected to the slide rail body, and the slide rail body is provided with a plurality of limiting teeth distributed along the length direction of the slide rail body. When the locking pin is in the unlocking position, the locking portion is axially misaligned with the limiting teeth along the pin shaft; when the locking pin is in the locking position, the locking portion is engaged with the limiting teeth.

[0013] In an exemplary embodiment of the present application, the limiting teeth are formed as wedge-shaped teeth, and the radial cross-sectional shape of the locking portion is circular.

[0014] A third aspect of the present application discloses a vehicle, which includes at least two sets of the above-mentioned slide rail assemblies. The at least two sets of slide rail assemblies are arranged in the trunk or the front storage space of the vehicle along the length direction of the vehicle, and are arranged in parallel at intervals in the width direction of the vehicle.

[0015] In the sliding seat fixing structure of the present application, the locking pin and the slide seat body are movably connected, so that the locking pin has a movement margin in the axial direction of the through hole; and an elastic element is arranged between the locking pin and the slide seat body, and the elastic potential energy of the elastic element is used to keep the locking pin in the locking position. In this way, by pressing or pulling the pin shaft to change the position of the locking part, the locking pin can be switched from the locked state to the unlocked state. When the pressing or pulling of the pin shaft stops, the elastic element will reset the locking pin axially to the locking position based on the elastic deformation to restore the locking, which is convenient and fast to operate.

[0016] The above description is only an overview of the technical solution of the embodiment of the present application. In order to be able to understand the technical means of the embodiment of the present application more clearly, it can be implemented according to the content of the description. And in order to make the above and other purposes, features and advantages of the embodiment of the present application more obvious and understandable, the following specifically illustrates the specific implementation manners of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required to be used in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0018] Figure 1 Shows a schematic structural diagram of the sliding seat fixing structure described in the embodiment of the present application;

[0019] Figure 2 Shows a side view of the sliding seat fixing structure described in the embodiment of the present application;

[0020] Figure 3 Shows Figure 2 A cross-sectional view taken along A-A in

[0021] Figure 4 Shows a schematic structural diagram of the slide rail assembly described in the embodiment of the present application;

[0022] Figure 5 Shows a cross-sectional view of the connection between the sliding seat fixing structure and the slide rail body described in the embodiment of the present application;

[0023] Figure 6 Shows a cross-sectional view of the connection between the locking part and the limiting teeth described in the embodiment of the present application.

[0024] Description of the reference numerals in the drawings:

[0025] 1 - Slide body, 11 - Accommodating cavity, 111 - Through hole, 112 - First limiting groove, 113 - Second limiting groove, 114 - Third limiting groove,

[0026] 2 - Locking pin, 21 - Pin shaft, 22 - Locking part, 23 - Limiting part,

[0027] 3 - Elastic element,

[0028] 4 - Connecting part, 41 - Relief groove, 42 - Opening, 43 - First guiding part, 44 - Second guiding part,

[0029] 10 - Sliding seat fixing structure, 20 - Slide rail body, 201 - Limiting teeth, 202 - Inner guide rail, 203 - Outer guide rail.

[0030] The realization of the purpose of this application, functional features and advantages will be further described with reference to the embodiments and the accompanying drawings. Detailed implementation manners

[0031] Now, the exemplary embodiments will be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be implemented in various forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this application will be more complete and comprehensive, and the concept of the exemplary embodiments will be fully conveyed to those skilled in the art.

[0032] In addition, the described features, structures or characteristics can be combined in any suitable manner in one or more embodiments. In the following description, many specific details are provided to give a thorough understanding of the embodiments of this application. However, those skilled in the art will realize that the technical solutions of this application can be practiced without one or more of the specific details, or other methods, components, devices, steps, etc. can be adopted. In other cases, well-known methods, devices, implementations or operations are not shown or described in detail to avoid obscuring various aspects of this application.

[0033] The following further details this application with reference to the accompanying drawings and specific embodiments. It should be noted here that the technical features involved in the various embodiments of this application described below can be combined with each other as long as they do not conflict with each other. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain this application, and should not be construed as a limitation of this application.

[0034] As Figures 1 to 3As shown in the figure, this embodiment provides a fixed structure for a sliding seat, which includes a sliding seat body 1, a locking pin 2, and an elastic element 3. The sliding seat body 1 defines a receiving cavity 11, and a through hole 111 is provided at the bottom of the receiving cavity 11 and penetrates through the bottom of the sliding seat body 1; the locking pin 2 includes a pin shaft 21 and a locking portion 22. The pin shaft 21 is movably inserted through the through hole 111 along the axial direction. At least a part of the first end of the pin shaft 21 is located in the receiving cavity 11, and the second end of the pin shaft 21 extends out of the through hole 111 and is connected to the locking portion 22. Among them, the locking pin 2 has an unlocking position and a locking position distributed along the axial direction of the pin shaft 21 relative to the sliding seat body 1. The locking pin 2 can move between the unlocking position and the locking position along the axial direction of the pin shaft 21; one end of the elastic element 3 is connected to the sliding seat body 1, and the other end is connected to the locking pin 2, and can provide a force distributed along the axial direction of the pin shaft 21, and is suitable for resetting the locking pin 2 to the locking position along the axial direction of the pin shaft 21; in this way, the elastic potential energy of the elastic element 3 can be used to keep the locking pin 2 in the locking position, so as to externally limit and fix the sliding seat body 1 on the slide rail; when unlocking is required, by pressing or pulling the pin shaft 21, the locking pin 2 is moved along the axial direction from the locking position to the unlocking position, and the locking portion 22 is driven by the pin shaft 21 to move synchronously, completing the switching from the locking state to the unlocking state; when the pressing or pulling of the pin shaft 21 stops, the elastic element 3 restores the locking pin 2 to the locking position along the axial direction based on the elastic deformation, and the locking can be restored. The operation is convenient and fast, effectively improving the convenience and smoothness of the locking operation of the sliding seat.

[0035] It can be understood that the unlocking position and the locking position are two preset positions that are axially misaligned along the pin shaft 21, that is, the unlocking position and the locking position have different position degrees along the axial direction of the pin shaft 21 (in this embodiment, they are different height positions distributed along the axial direction). Based on the acting force of the elastic element 3 itself, the pin shaft 21 and the locking portion 22 can be kept in a preset position, that is, the locking position. By applying an external force to the pin shaft 21 to drive the locking portion 22 to move axially to another preset position, that is, the unlocking position. At this time, the sliding seat body 1 can slide along the slide rail, and the elastic element 3 is compressed or stretched by the external force; after the external force acting on the pin shaft 21 is removed, the elastic element 3 restores the deformation to move the pin shaft 21 and the locking portion 22 axially to the locking position to limit and fix the sliding seat body 1 on the slide rail and complete the locking.

[0036] It can also be understood that the elastic element 3, as a part that provides a force distributed along the axial direction of the pin shaft 21, can be a spring, a tension spring, an elastic sheet, etc. in terms of structural type. The setting range can be inside the receiving cavity 11 or outside the receiving cavity 11 (such as the lower side of the through hole 111). The connection relationship can be between the pin shaft 21 and the sliding seat body 1, or between the locking portion 22 and the sliding seat body 1. It can be adaptively selected according to the design orientation of the locking position and the unlocking position or the application method of the axial force on the pin shaft 21, as long as the locking pin 2 can be reset to the locking position along the axial direction of the pin shaft 21.

[0037] For example, as Figures 1 to 3 shown, the slide base body 1, the accommodation cavity 11, and the locking pin 2 are arranged vertically. The radial dimension of the locking portion 22 is designed to be larger than the radial dimension of the through hole 111. In this way, the bottom of the slide base body 1 can be used to axially limit the locking portion 22 below the through hole 111 to play a limiting role. At this time, when the locking portion 22 contacts the bottom of the slide base body 1, the locking pin 2 is in the locked position, and the unlocking position is preset to a certain height axially below the locked position along the pin shaft 21; the elastic element 3 can be a compression spring arranged in the accommodation cavity 11. Compared with arranging the elastic element 3 on the side where the locking portion 22 is located, it can play a role in protecting the elastic element 3 and preventing the elastic element 3 from interfering with the external locking connection of the locking portion 22; the compression spring is sleeved on the pin shaft 21 to improve the connection stability of the compression spring; one end of the compression spring is fixedly connected to the pin shaft 21, and the other end abuts against the bottom of the accommodation cavity 11 to provide an upward prestress for the locking pin 2, and then press the locking portion 22 against the lower end surface of the bottom of the slide base body 1, that is, the locked position; press the pin shaft 21 to make the locking portion 22 move downward axially. The compression spring is compressed by the external force and stores elastic potential energy. When the locking portion 22 moves downward to the unlocking position, the locking portion 22 is disengaged from the external connection limiting and cooperating member, that is, the unlocking is completed, and the slide base body 1 can slide along the slide rail; after the slide base body 1 reaches the designated position, stop pressing the pin shaft 21. At this time, the compression spring recovers its deformation and releases the elastic potential energy, so as to drive the pin shaft 21 and the locking portion 22 upward axially until the locking portion 22 contacts the lower end surface of the bottom of the slide base body 1, that is, the locked position, and press the locking portion 22 in the locked position. The locking portion 22 can be combined with the external connection limiting and cooperating member in the locked position, that is, the locking is completed.

[0038] Preferably, as Figure 3 shown, the bottom of the accommodation cavity 11 can also be set to have a certain thickness or an installation seat with a certain thickness is provided corresponding to the through hole 111, so that there is a preset space with a certain thickness axially in the through hole 111, and further, the pin shaft 21 can be axially guided by the side wall of the through hole 111 at the through hole 111, improving the axial movement stability of the pin shaft 21 at the through hole 111.

[0039] In some embodiments, as Figures 1 to 3As shown, the locking pin 2 further includes a limiting portion 23, and the limiting portion 23 is connected to one end of the pin shaft 21 located in the accommodating cavity 11; a first limiting groove 112 distributed along the axial direction of the pin shaft 21 is provided on the side wall of the accommodating cavity 11, and the limiting portion 23 is embedded in the first limiting groove 112 and can slide along the first limiting groove 112; since both the limiting portion 23 and the locking portion 22 are connected to the pin shaft 21 and move synchronously with the pin shaft 21, the moving distance of the locking portion 22 in the axial direction is the same as the moving distance of the limiting portion 23 in the axial direction. Therefore, the unlocking position and the locking position of the locking portion 22 can be determined by the position of the limiting portion 23. The two axial sides of the first limiting groove 112 can be used as the unlocking position and the locking position respectively. By the action of the elastic element 3 on the locking pin 2, the limiting portion 23 is kept in the locking position, and by using the switching between the unlocking position and the locking position of the limiting portion 23 in the first limiting groove 112, the switching between the unlocking position and the locking position of the locking portion 22 is realized; wherein, the elastic element 3 acts on the locking pin 2, which can directly act on the limiting portion 23, thereby reducing the connection structure setting between the pin shaft 21 and the elastic element 3.

[0040] For example, in this embodiment, the locking position is set on the upper side of the first limiting groove 112, preferably at the upper end of the first limiting groove 112, the unlocking position is set on the lower side of the first limiting groove 112, and the elastic element 3 is a compression spring arranged in the accommodating cavity 11, one end of which abuts against the limiting portion 23 and the other end abuts against the bottom of the accommodating cavity 11, thereby pressing the limiting portion 23 at the locking position at the upper end of the first limiting groove 112 and keeping the locking portion 22 at the corresponding axial position; press the pin shaft 21 to make the limiting portion 23 move downward along the first limiting groove 112 to the unlocking position, and the locking portion 22 will move downward synchronously along the axial direction with the limiting portion 23. At this time, the sliding seat body 1 can slide along the slide rail, and the elastic element 3 is compressed by an external force and stores elastic potential energy; after the sliding seat body 1 reaches the specified position, stop pressing the pin shaft 21, the elastic element 3 resumes deformation and releases the elastic potential energy, thereby driving the limiting portion 23 upward along the first limiting groove 112 to the locking position, and the locking portion 22 will move upward synchronously along the axial direction with the limiting portion 23 to complete the locking.

[0041] In some embodiments, such as Figures 1 to 3As shown, the radial cross-sectional shape of the pin shaft 21 of the locking pin 2 can be designed as a circle, and the through hole 111 is designed as a corresponding circle, so that the locking pin 2 can be rotatably arranged in the through hole 111 of the sliding seat body 1; the side wall of the accommodating cavity 11 is also provided with a second limiting groove 113 distributed along the circumferential direction of the pin shaft 21. The second limiting groove 113 is located on one side of the unlocking position and communicates with the first limiting groove 112; the limiting portion 23 can move along the first limiting groove 112 to the unlocking position, and by rotating the pin shaft 21, the limiting portion 23 can be driven to move to the second limiting groove 113 at the unlocking position to limit the axial movement of the locking pin 2 along the pin shaft 21. In this way, when the sliding seat body 1 slides along the slide rail, the locking pin 2 can be kept at the height of the unlocking position through the second limiting groove 113, improving the operation convenience.

[0042] In some embodiments, as Figures 1 to 3 shown, the side wall of the accommodating cavity 11 is also provided with a third limiting groove 114 distributed along the circumferential direction of the pin shaft 21. The third limiting groove 114 is located on one side of the locking position and communicates with the first limiting groove 112; the limiting portion 23 can slide along the first limiting groove 112 to the locking position, and by rotating the pin shaft 21, the limiting portion 23 can be driven to move to the third limiting groove 114 at the locking position to limit the axial movement of the locking pin 2 along the pin shaft 21. In this way, when the sliding seat body 1 is limited and fixed on the slide rail, the locking pin 2 can be kept at the height of the locking position through the third limiting groove 114, avoiding accidental unlocking of the locking pin 2 caused by accidental pressing and improving the locking stability.

[0043] It can be understood that in this embodiment, the unlocking position and the locking position are two preset positions distributed along the axial direction of the pin shaft 21. Therefore, the unlocking and locking of the locking pin 2 to the outside are realized based on the position change along the axial direction of the pin shaft 21. Generally speaking, the circumferential angle change caused by the circumferential rotation at the same preset position, such as the locking position, will not affect the unlocking and locking of the locking pin 2 to the outside. Preferably, the outer surface of the locking portion 22 in the circumferential direction can be formed into a circle to avoid rotational interference between the locking portion 22 and the limiting fitting of the slide rail when the locking pin 2 rotates at the locking position.

[0044] Furthermore, as Figure 4 shown, a knob can also be coaxially connected to the first end of the pin shaft 21, and through the knob, it is convenient to perform pressing and rotating operations on the locking pin 2, improving the operation convenience.

[0045] In some embodiments, as Figures 1 to 3As shown, a connecting portion 4 for externally connecting a slide rail is provided at the bottom of the slide base body 1. A relief groove 41 for slidingly cooperating with the slide rail is formed in the connecting portion 4. An opening 42 communicating with the relief groove 41 is provided in the connecting portion 4 corresponding to the through hole 111. The locking portion 22 can move through the opening 42 into the relief groove 41. Among them, when the locking pin 2 is in the unlocked position, the locking portion 22 is axially misaligned with the relief groove 41 in the axial direction of the pin shaft 21, that is, the locking portion 22 and the relief groove 41 have different position degrees axially to avoid the relief groove 41. In this way, the slide base body 1 can slide along the slide rail through the relief groove 41. When the locking pin 2 is in the locked position, the locking portion 22 blocks the relief groove 41. In this way, the locking portion 22 can cooperate with the corresponding limiting structure of the slide rail to limit and fix the slide base body 1 on the slide rail. For example, when the connecting portion 4 adopts an I-shaped structure, the connecting side of the connecting portion 4 and the slide base body 1 has a certain thickness, and the upper opening 42 of the connecting portion 4 also has a certain thickness and can accommodate the locking portion 22. At this time, the locked position is set below the first limiting groove 112, and the unlocked position is set above the first limiting groove 112. When the limiting portion 23 moves upward and remains in the unlocked position, the locking portion 22 moves upward accordingly and is received in the upper opening 42 of the connecting portion 4 to avoid the relief groove 41. In this way, the slide base body 1 can slide along the slide rail through the relief groove 41. When the limiting portion 23 moves downward and remains in the locked position, the locking portion 22 moves downward accordingly and blocks the relief groove 41. In this way, the locking portion 22 can cooperate with the corresponding limiting fitting of the slide rail to limit and fix the slide base body 1 on the slide rail.

[0046] In some embodiments, such as Figure 3 As shown, the opening 42 can also penetrate the connecting portion 4 axially along the pin shaft 21. When the locking pin 2 is in the unlocked position, the locking portion 22 can extend out of the connecting portion 4 or be received in the lower opening 42 of the connecting portion 4 through the lower opening 42 of the connecting portion 4 to be axially misaligned with the relief groove 41 in the axial direction of the pin shaft 21. For example, when the connecting portion 4 adopts an inverted T-shaped structure, the lower side of the connecting portion 4 has a certain thickness, and the lower opening 42 of the connecting portion 4 also has a certain thickness and can accommodate the locking portion 22. At this time, the locked position is set at the upper end of the first limiting groove 112, and the unlocked position is set at the lower end of the first limiting groove 112. When the limiting portion 23 moves downward and remains in the unlocked position, the locking portion 22 moves downward accordingly and is received in the lower opening 42 of the connecting portion 4 to avoid the relief groove 41. In this way, the slide base body 1 can slide along the slide rail through the relief groove 41. When the limiting portion 23 moves upward and remains in the locked position, the locking portion 22 moves upward accordingly and blocks the relief groove 41. In this way, the locking portion 22 can cooperate with the corresponding limiting fitting of the slide rail to limit and fix the slide base body 1 on the slide rail.

[0047] For example, such as Figure 3As shown, in this embodiment, the connecting portion 4 is arranged in an inverted T shape at the bottom of the slide body 1, including a vertically arranged first guide portion 43 and a horizontally arranged second guide portion 44, wherein one end of the first guide portion 43 is vertically connected to the bottom of the slide body 1, and the other end is vertically connected to the second guide portion 44, and the clearance groove 41 is formed between the second guide portion 44 and the slide body 1, and is separated on both sides of the first guide portion 43; the opening 42 is correspondingly arranged below the through hole 111 and penetrates the first guide portion 43 and the second guide portion 44, and the limiting portion 23 When it moves downward and remains in the unlocked position, the locking portion 22 moves downward to be received in the opening 42 of the second guide portion 44 or extends out from the opening 42 of the second guide portion 44, so as to be axially misaligned with the makeshift groove 41 on the pin shaft 21, so that the connecting portion 4 and the externally connected slide rail can slide along the makeshift groove 41 without hindrance; when the limiting portion 23 moves upward and remains in the locked position, the locking portion 22 moves upward to be blocked in the makeshift groove 41, so that the locking portion 22 can cooperate with the limiting matching piece corresponding to the slide rail to realize the limited fixation of the slide seat body 1 on the slide rail.

[0048] Preferably, the radial length of the locking portion 22 can be designed to be greater than the first guide portion 43, while the radial length of the pin shaft 21 can be designed to be less than or equal to the first guide portion 43, so that the sliding rail can effectively contact the first guide portion 43 when slidingly connected to the connecting portion 4, thereby improving the connection stability between the connecting portion 4 and the sliding rail.

[0049] It can be understood that in other embodiments, when the opening 42 is axially penetrated through the connecting portion 4 along the pin shaft 21, if the upper opening 42 of the connecting portion 4 has a certain thickness and can accommodate the locking portion 22, the locking portion 22 can also be accommodated in the upper opening 42 of the connecting portion 4 to be axially misaligned with the make way groove 41 on the pin shaft 21. The specific structure is not limited here.

[0050] like Figure 4 and Figure 5 As shown, in another embodiment, a slide rail assembly is further provided, including a slide rail body 20 and the above-mentioned sliding seat fixing structure 10, the sliding seat fixing structure 10 is slidably connected to the slide rail body 20, the slide rail body 20 is provided with a plurality of limiting teeth 201 distributed along the length direction of the slide rail body 20, when the limiting portion 23 is located in the unlocking position, the locking portion 22 and the limiting teeth 201 are axially misaligned with the pin shaft 21, that is, the locking portion 22 and the limiting teeth 201 are misaligned at different axial heights of the pin shaft 21; when the limiting portion 23 is located in the locking position, the locking portion 22 is engaged with the limiting teeth 201, that is, the locking portion 22 and the limiting teeth 201 are at the same axial height of the pin shaft 21, so that the locking portion 22 can be clamped between two adjacent limiting teeth 201, and the slide seat body 1 can be effectively fixed on the slide rail body 20 through the cooperation of the limiting teeth 201 and the locking portion 22, so as to prevent the slide seat body 1 from moving in the sliding direction.

[0051] For example, as Figure 2 , Figures 4 to 6 shown, the slide rail body 20 includes an inner rail 202 and an outer rail 203 covering the inner rail 202. The limit teeth 201 are evenly distributed on the upper end surface of the inner rail 202 along the length direction of the inner rail 202. A reverse T-shaped groove extending along its length direction and opening outward is formed in the middle of the slide rail body 20. The connecting portion 4 arranged in a reverse T shape is slidably connected to the reverse T-shaped groove. When movement is required, press down the locking pin 2 so that the limiting portion 23 moves downward along the first limiting groove 112 to the unlocking position, and the locking portion 22 will move downward accordingly and be received in the opening 42 of the second guiding portion 44 of the connecting portion 4. At this time, the locking pin 2 can be rotated so that the limiting portion 23 is clamped in the second limiting groove 113 to maintain the unlocking position, and the connecting portion 4 and the slide rail body 20 can slide along the relief groove 41 without hindrance. When locking is required, rotate the locking pin 2 in the reverse direction so that the limiting portion 23 disengages from the second limiting groove 113, and remove the pressing force so that the limiting portion 23 moves upward along the first limiting groove 112 to the locking position. The locking portion 22 will move upward accordingly and be clamped between two adjacent limit teeth 201, preventing the connecting portion 4 and the slide rail body 20 from sliding along the relief groove 41, realizing the limit fixation of the sliding seat body 1 on the slide rail body 20. At this time, the locking pin 2 can be rotated so that the limiting portion 23 is clamped in the third limiting groove 114 to maintain the locking position, improving the locking stability.

[0052] It can be understood that for other structures and working principles of the sliding seat fixing structure 10, please refer to the above description of the embodiment of the sliding seat fixing structure 10. Since the sliding seat fixing structure 10 has the above technical effects, the slide rail assembly having the sliding seat fixing structure 10 should also have corresponding technical effects, which will not be elaborated here.

[0053] In some embodiments, as Figure 6 shown, the limit teeth 201 can be formed into wedge-shaped teeth, and the outer circumferential surface of the locking portion 22 is formed into a circular shape. In this way, the circular section of the locking portion 22 can form a line contact with the wedge-shaped structure of the limit teeth 201, improving the matching accuracy and smoothness between the locking portion 22 and the limit teeth 201.

[0054] In another embodiment, a vehicle is provided, which includes at least two groups of the above-mentioned slide rail assemblies. The at least two groups of slide rail assemblies are arranged in the trunk or the front storage space of the vehicle along the length direction of the vehicle and are arranged in parallel at intervals in the width direction of the vehicle, and cooperate with the fixing structure on the sliding seat to limit and fix the luggage. For other structures and working principles of the slide rail assembly, please refer to the above description of the embodiment of the slide rail assembly. Since the slide rail assembly has the above technical effects, the vehicle having the slide rail assembly should also have corresponding technical effects, which will not be elaborated here.

[0055] In this application, unless otherwise clearly defined and limited, terms such as "assembly" and "connection" shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0056] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. The meaning of "a plurality" is two or more, unless otherwise specifically defined. And the descriptions such as "some embodiments" and "exemplarily" mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of this application.

[0057] The schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0058] Although the embodiments of this application have been shown and described above, it should be understood that the above embodiments are exemplary and cannot be understood as a limitation of this application. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of this application. Therefore, any changes or modifications made in accordance with the claims and the specification of this application shall fall within the scope covered by the patent of this application.

Claims

1. A sliding seat fixing structure, characterized in that: include: A slide body, wherein the slide body defines a containing cavity, and a through hole is provided at the bottom of the containing cavity and passes through the bottom of the slide body; A locking pin, the locking pin comprising a pin shaft and a locking portion, the pin shaft being movably disposed in the through hole along the axial direction, the first end of the pin shaft being at least partially located in the accommodating cavity, the second end of the pin shaft extending out of the through hole and connected to the locking portion; wherein the locking pin has an unlocking position and a locking position distributed along the axial direction of the pin shaft relative to the slide body, and the locking pin can move between the unlocking position and the locking position along the axial direction of the pin shaft; and An elastic element, one end of which is connected to the slide body, and the other end of which is connected to the locking pin, is suitable for resetting the locking pin axially along the pin shaft to the locking position.

2. The sliding seat fixing structure according to claim 1, characterized in that: The locking pin also includes a limiting portion, which is connected to one end of the pin shaft located in the retaining cavity; the side wall of the retaining cavity is provided with a first limiting groove distributed along the axial direction of the pin shaft, and the limiting portion is embedded in the first limiting groove and can slide along the first limiting groove; the unlocking position and the locking position are respectively located on both axial sides of the first limiting groove, and the elastic element acts on the locking pin to hold the limiting portion in the locking position.

3. The sliding seat fixing structure according to claim 2, characterized in that: The pin shaft is rotatably arranged in the through hole along the circumferential direction; the side wall of the retaining cavity is also provided with a second limiting groove distributed along the circumferential direction of the pin shaft, the second limiting groove is located on one side of the unlocking position and is connected with the first limiting groove; the pin shaft can drive the limiting part to move to the second limiting groove in the unlocking position to limit the axial movement of the locking pin along the pin shaft.

4. The sliding seat fixing structure according to claim 3, characterized in that: The side wall of the retaining cavity is also provided with a third limiting groove distributed along the circumference of the pin shaft, and the third limiting groove is located on one side of the locking position and is connected with the first limiting groove; the pin shaft can drive the limiting part to move to the third limiting groove at the locking position to limit the axial movement of the locking pin along the pin shaft.

5. The sliding seat fixing structure according to any one of claims 1 to 4, characterized in that: The bottom of the slide seat body is provided with a connecting part for externally connecting to the slide rail, the connecting part is formed with a clearance groove for sliding cooperation with the slide rail, the connecting part is provided with an opening connected to the clearance groove corresponding to the through hole, and the locking part can move into the clearance groove through the opening; wherein, when the locking pin is located in the unlocking position, the locking part and the clearance groove are axially misaligned with the pin shaft to avoid the clearance groove; when the locking pin is located in the locking position, the locking part is blocked in the clearance groove.

6. The sliding seat fixing structure according to claim 5, characterized in that: The opening penetrates the connecting portion along the axial direction of the pin shaft. When the locking pin is located at the unlocking position, the locking portion extends out of the connecting portion through the opening or is received in the connecting portion to be axially misaligned with the clearance groove in the pin shaft.

7. The sliding seat fixing structure according to claim 6, characterized in that: The connecting portion includes a first guide portion and a second guide portion, one end of the first guide portion is vertically connected to the bottom of the slide body, and the other end is vertically connected to the second guide portion, the clearance groove is formed between the second guide portion and the slide body, and is separated on both sides of the first guide portion; the opening passes through the first guide portion and the second guide portion, and when the locking pin is located in the unlocking position, the locking portion extends out of the second guide portion through the opening or is received in the second guide portion, so as to be axially misaligned with the clearance groove on the pin shaft.

8. A slide rail assembly, characterized in that: It includes a slide rail body and a sliding seat fixing structure as described in any one of claims 1-7, wherein the sliding seat fixing structure is slidably connected to the slide rail body, and the slide rail body is provided with a plurality of limiting teeth distributed along the length direction of the slide rail body, and when the locking pin is located in the unlocking position, the locking portion and the limiting teeth are axially misaligned with the pin shaft; when the locking pin is located in the locking position, the locking portion is engaged with the limiting teeth.

9. The slide rail assembly according to claim 8, characterized in that: The limiting teeth are formed as wedge-shaped teeth, and the radial cross-section shape of the locking portion is circular.

10. A vehicle, characterized in that: It comprises at least two groups of slide rail assemblies as claimed in claim 8 or 9, wherein at least two groups of the slide rail assemblies are arranged in the trunk or front storage space of the vehicle along the length direction of the vehicle and are arranged in parallel and spaced apart in the width direction of the vehicle.

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